Home / 51,511.08-71,098.34-29,168.04

Finding the Fourth Proportional to 51,511.08, 71,098.34 and 29,168.04

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Solution

The fourth proportional to 51,511.08, 71,098.34 and 29,168.04 is: 40,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,511.08 : 71,098.34 = 29,168.04 : x
  2. Step 2: Convert to fraction form
    51,511.08/71,098.34 = 29,168.04/x
  3. Step 3: Cross multiply
    51,511.08x = 71,098.34 × 29,168.04
  4. Step 4: Simplify right side
    51,511.08x = 2,073,799,225.05
  5. Step 5: Solve for x
    x = 2,073,799,225.05/51,511.08
  6. Step 6: Final answer
    x = 40,259.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.